Alloy Steel Welded Pipe

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Alloy Steel Welded Pipe Manufacturers
Bestar Steel is one of the leading Alloy Steel Welded Pipe Manufacturers in China. We are known for exporting Alloy Steel Welded Pipe worldwide. Our Alloy Steel ERW Pipe have been used in different industries. Our Alloy Steel Welded Pipe are made with precision and highest quality of raw material to provide maximum output at low cost. We provide all types of Alloy Steel Welded Pipe that includes Grades: 1-1/4 CR, 2-1 1/4 CR, 5 CR, 9 CR 91.

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Alloy Steel Seamless Pipe Standards, Specification & Grades

Material Specifications: ASTM A691
Grades: 1-1/4 CR, 2-1 1/4 CR, 5 CR, 9 CR 91
Thickness (MM): upto 30 mm Thik Alloy Steel Welded Pipe
Size – Dia(mm): upto 24″ NB Alloy Steel Welded Pipe & Tube

Alloy Steel ERW Pipe Chemical Properties

Alloy Steel C Cr Mn Mo P S
0.05 – 0.15 1.00 – 1.50 0.30 – 0.60 0.44 – 0.65 0.025 max 0.025 max

ASTM A335 Welded Pipe Mechanical Properties

Tensile Strength, MPa Yield Strength, MPa Elongation, %
415 min 205 min 30 min

Equivalent grades of SA335M Alloy Steel Pipe

Name Temper Specification
Alloy 4130 N MILT6736, AMS6360, AMS6371
Alloy 4140 N,A, T AMS6381
Alloy 15CDV6 T1080, T980 AIR9160C, 1.7734.5, 1.7734.6

ASTM A335 Alloy Pipe Wall Thickness

Alloy Steel Pipe Types Out diameter Wall thickness
Alloy Steel Welded Pipe (in Stock + Custom Sizes) 5.0mm ~ 1219.2mm 1.0 ~ 15.0 mm
Alloy Steel Seamless Pipe (Custom Sizes) 5.0mm ~ 203.2mm As per requirement
NB Sizes (in stock) 1/8” ~ 8” SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160

Applications of Alloy Steel Welded Pipe

Heat Exchangers
Pulp and Paper Industry
Off-Shore Oil Drilling Companies
Power Generation
Gas Processing
Specialty Chemicals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment

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